'use strict'
const path = require('path')
const defaultSettings = require('./src/settings.js')

function resolve(dir) {
  return path.join(__dirname, dir)
}

const name = defaultSettings.title // 网址标题
const port = 9527 // 端口配置

// All configuration item explanations can be find in https://cli.vuejs.org/config/
module.exports = {
  // hash 模式下可使用
  // publicPath: process.env.NODE_ENV === 'development' ? '/' : './',
  runtimeCompiler: true,
  publicPath: '/',
  outputDir: 'dist',
  assetsDir: 'static',
  lintOnSave: process.env.NODE_ENV === 'development',
  productionSourceMap: false,// 以加速生产环境构建
  css: {
    loaderOptions: {
      postcss: {
        plugins: [
          require("postcss-px-to-viewport")({
            unitToConvert: "px",//转换哪些尺寸单位
            viewportWidth: 1920,//设计图宽度-代表1920px=100vw 也就是100%
            unitPrecision: 3,//指定`px`转换为视窗单位值的小数位数
            propList: ["*"],
            viewportUnit: "vw",
            fontViewportUnit: "vw",
            selectorBlackList: [], // 指定不需要转换的类
            minPixelValue: 1, //小于或等于`1px`时不转换为视窗单位
            mediaQuery: false, //是否允许媒体查询中转换px
            replace: true,
            exclude: /(\/|\\)(node_modules)(\/|\\)/
          })
        ]
      }
    }
  },
  devServer: {
    port: port,
    open: false,
    overlay: {
      warnings: false,
      errors: true,
    },
    proxy: {
    /*  '/buss-other': {
        target: 'http://192.168.17.31:8419',
        changeOrigin: true,
        pathRewrite: {
          '^/buss-other': '/'
        }
      },
      '/buss-measure': {
        target: 'http://192.168.17.31:8418',
        changeOrigin: true,
        pathRewrite: {
          '^/buss-measure': '/'
        }
      },
      '/buss-contract': {
        target: 'http://192.168.17.31:8415',
        changeOrigin: true,
        pathRewrite: {
          '^/buss-contract': '/'
        }
      },*/
     // '/admin': {
     //    target: 'http://10.126.201.157:8412',
     //    changeOrigin: true,
     //    pathRewrite: {
     //      '^/admin': '/'
     //    }
     //  },
    /*  '/buss-other': {
        target: 'http://10.126.201.157:8412',
        changeOrigin: true,
        pathRewrite: {
          '^/buss-other': '/'
        }
      },
      '/buss-measure': {
        target: 'http://10.126.201.157:8412',
        changeOrigin: true,
        pathRewrite: {
          '^/buss-measure': '/'
        }
      },
      '/buss-contract': {
        target: 'http://10.126.201.157:8412',
        changeOrigin: true,
        pathRewrite: {
          '^/buss-contract': '/'
        }
      },
      '/file-server': {
        target: 'http://10.126.201.157:8412',
        changeOrigin: true,
        pathRewrite: {
          '^/file-server': '/'
        }
      }, */
      '/': {
        ws: false,
        target: process.env.VUE_APP_BASE_API,
        changeOrigin: true,
      },
    },
  },
  configureWebpack: {
    externals: {
      'AMap': 'AMap'
    },
    // provide the app's title in webpack's name field, so that
    // it can be accessed in index.html to inject the correct title.
    name: name,
    resolve: {
      alias: {
        '@': resolve('src'),
        '@crud': resolve('src/components/Crud'),
      },
    },
  },
  chainWebpack(config) {
    config.plugins.delete('preload') // TODO: need test
    config.plugins.delete('prefetch') // TODO: need test

    // set svg-sprite-loader
    config.module.rule('svg').exclude.add(resolve('src/assets/icons')).end()
    config.module
      .rule('icons')
      .test(/\.svg$/)
      .include.add(resolve('src/assets/icons'))
      .end()
      .use('svg-sprite-loader')
      .loader('svg-sprite-loader')
      .options({
        symbolId: 'icon-[name]',
      })
      .end()

    // set preserveWhitespace
    config.module
      .rule('vue')
      .use('vue-loader')
      .loader('vue-loader')
      .tap((options) => {
        options.compilerOptions.preserveWhitespace = true
        return options
      })
      .end()

    config
      // https://webpack.js.org/configuration/devtool/#development
      .when(process.env.NODE_ENV === 'development', (config) =>
        config.devtool('cheap-source-map')
      )

    config.when(process.env.NODE_ENV !== 'development', (config) => {
      config
        .plugin('ScriptExtHtmlWebpackPlugin')
        .after('html')
        .use('script-ext-html-webpack-plugin', [
          {
            // `runtime` must same as runtimeChunk name. default is `runtime`
            inline: /runtime\..*\.js$/,
          },
        ])
        .end()
      config.optimization.splitChunks({
        chunks: 'all',
        cacheGroups: {
          libs: {
            name: 'chunk-libs',
            test: /[\\/]node_modules[\\/]/,
            priority: 10,
            chunks: 'initial', // only package third parties that are initially dependent
          },
          elementUI: {
            name: 'chunk-elementUI', // split elementUI into a single package
            priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
            test: /[\\/]node_modules[\\/]_?element-ui(.*)/, // in order to adapt to cnpm
          },
          commons: {
            name: 'chunk-commons',
            test: resolve('src/components'), // can customize your rules
            minChunks: 3, //  minimum common number
            priority: 5,
            reuseExistingChunk: true,
          },
        },
      })
      config.optimization.runtimeChunk('single')
    })
  },
  transpileDependencies: ['vue-echarts', 'resize-detector'],//对依赖进行转译可能会降低构建速度
}
